elasticsearch/docs/reference/query-languages/esql/_snippets/functions/signum.md
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Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>
Co-authored-by: Liam Thompson <leemthompo@gmail.com>
Co-authored-by: Martijn Laarman <Mpdreamz@gmail.com>
Co-authored-by: István Zoltán Szabó <szabosteve@gmail.com>
2025-02-27 17:56:14 +01:00

607 B

SIGNUM [esql-signum]

Syntax

:::{image} ../../../../../images/signum.svg :alt: Embedded :class: text-center :::

Parameters

number
Numeric expression. If null, the function returns null.

Description

Returns the sign of the given number. It returns -1 for negative numbers, 0 for 0 and 1 for positive numbers.

Supported types

number result
double double
integer double
long double
unsigned_long double

Example

ROW d = 100.0
| EVAL s = SIGNUM(d)
d: double s:double
100 1.0